21200111301102 has 16 divisors (see below), whose sum is σ = 42400289907792. Its totient is φ = 7066692549440.

The previous prime is 21200111301097. The next prime is 21200111301119. The reversal of 21200111301102 is 20110311100212.

It is a super-2 number, since 2×21200111301102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896538 + ... + 6782114.

It is an arithmetic number, because the mean of its divisors is an integer number (2650018119237).

Almost surely, 2^{21200111301102} is an apocalyptic number.

21200111301102 is an abundant number, since it is smaller than the sum of its proper divisors (21200178606690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21200111301102 is a wasteful number, since it uses less digits than its factorization.

21200111301102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608803.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 21200111301102 its reverse (20110311100212), we get a palindrome (41310422401314).

The spelling of 21200111301102 in words is "twenty-one trillion, two hundred billion, one hundred eleven million, three hundred one thousand, one hundred two".